Toilet bowl cleaner stem



FIG. 1 is a top perspective view of a toilet bowl cleaner stem showing our new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a left side elevational view thereof, shown broken away for ease of illustration;

FIG. 4 is a top plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a rear elevational view thereof, taken along line 7—7 on FIG. 5, shown enlarged for completeness of illustration; and,

FIG. 8 is a front elevational view thereof, taken along line 8—8 on FIG. 5, shown enlarged for completeness of illustration.

The broken lines in the drawings illustrate unclaimed portions of the toilet bowl cleaner stem and environmental structure and form no part of the claimed design. 

The ornamental design for a toilet bowl cleaner stem, as shown and described. 